A fuel cell system includes a gas liquid separator and a valve device. The gas liquid separator separates water from a fuel off gas discharged from a fuel cell stack. The valve device is provided in a discharge channel for discharging water separated from the gas liquid separator. The valve device includes a fluid inlet for guiding fluid at least containing water in the gas liquid separator toward the valve main body. A heating device is provided at an inner hole of the fluid inlet.

A heating device for being attached to and heating a heated object that requires to be heated and has an uneven exterior shape. The heating device including: a conductive member having thermal conductivity and being configured to be attached to a recess of the heated object; and a heater configured to cover and heat the heated object and the conductive member in a state where the conductive member is attached to the recess of the heated object. The heater has a portion to be in contact with a bulge portion of the heated object in a state where the conductive member is attached to the recess of the heated object and where the heated object and the conductive member are covered with the heater.

A heating device for being attached to and heating a heated object that requires to be heated and has an uneven exterior shape. The heating device including: a conductive member having thermal conductivity and being configured to be attached to a recess of the heated object; and a heater configured to cover and heat the heated object and the conductive member in a state where the conductive member is attached to the recess of the heated object. The heater has a portion to be in contact with a bulge portion of the heated object in a state where the conductive member is attached to the recess of the heated object and where the heated object and the conductive member are covered with the heater.

A controller assembly comprises an electromechanical actuator and a single-stage pneumatic flow switch configured to thermally protect the electromechanical actuator by a supply of cooling fluid. The single-stage pneumatic flow switch is movable between a first mode in which the switch is configured to open a cooling fluid flow passage and a second mode in which the switch is configured to close the cooling fluid flow passage. The electromechanical actuator is coupled to a valve movable between an open and a closed configuration.

Disclosed is a valve assembly with: a valve body defining valve inlet and outlet ports; a manifold connected to the valve outlet port, the manifold includes: a manifold inlet body portion defining: a manifold internal surface forming a manifold channel; and a first manifold external surface defining a manifold inlet opening that opens to the manifold channel, the manifold channel is fluidly coupled to the valve outlet port via the manifold inlet opening; a manifold outlet port, and a manifold outlet conduit extending from the manifold inlet body portion to the manifold outlet port; a manifold exhaust port, and a manifold exhaust conduit extending from the manifold inlet body portion to the manifold exhaust port, the manifold exhaust and outlet conduits are fluidly coupled to each other via the manifold channel, heat fins extend from the manifold exhaust conduit; and a eutectic plug disposed within the manifold exhaust conduit.

Disclosed are an integration box and a pneumatic high vacuum flapper valve, including a box body and a cover plate covering the box body. An integration box chamber is formed between the box body and the cover plate, a solenoid valve and a sensor assembly are provided in the integration box chamber, one side of the integration box is provided with a through hole, an integration box air inlet pipeline and an integration box air outlet pipeline, the solenoid valve is communicated with an outside air respectively through the integration box air inlet pipeline and the integration box air outlet pipeline, an external trigger signal is sensed by the sensor assembly by the through hole, and an electrical connector is provided on the other side of the integration box for electrical connection of the solenoid valve and the sensor assembly with the outside.

Disclosed are an integration box and a pneumatic high vacuum flapper valve, including a box body and a cover plate covering the box body. An integration box chamber is formed between the box body and the cover plate, a solenoid valve and a sensor assembly are provided in the integration box chamber, one side of the integration box is provided with a through hole, an integration box air inlet pipeline and an integration box air outlet pipeline, the solenoid valve is communicated with an outside air respectively through the integration box air inlet pipeline and the integration box air outlet pipeline, an external trigger signal is sensed by the sensor assembly by the through hole, and an electrical connector is provided on the other side of the integration box for electrical connection of the solenoid valve and the sensor assembly with the outside.

A system for semiconductor fabrication having at least one heated valve manifold assembly comprising a heat-conductive plate having a total surface area, said conductive plate having a first side and a second side; at least one heater contacting said at least one heat-conductive plate; a valve manifold comprising a plurality of valves and pipes; said plurality of said valves and pipes having a total surface area wherein a portion of the surface area of said plurality of valves and pipes contacts said at least one heat-conductive plate; and one or more layers of insulation covering: (i) a majority of the surface area of said plurality of said valves and pipes where said portion contacts said at least one heat-conductive plate, (ii) said at least one heater in contact with said at least one heat-conductive plate, and (iii) the majority of the surface area of said at least one heat-conductive plate.

A high-pressure self-sealing butterfly valve, which comprises a valve body and a valve shaft, wherein a flow channel and a butterfly plate are arranged in the valve body, a pure metal sealing ring and a pure metal valve seat are sequentially arranged at a portion, on the outer side of the butterfly plate, of the flow channel, a piston cavity is further formed in a flow direction end face of the pure metal valve seat, and an upper valve shaft and a lower valve shaft are arranged at the upper end and the lower end of the valve shaft respectively; an upper end cover assembly and an upper self-sealing assembly are arranged between the end part of the upper valve shaft and the valve body, a lower sealing bottom cover and a lower self-sealing assembly are arranged between the end part of the lower valve shaft and the valve body.

A motor-driven throttle valve for an exhaust duct and having: a tubular duct, which is designed so that exhaust gases can flow through it; a throttle shutter, which is arranged inside the tubular duct and is mounted so as to rotate around a rotation axis; a first shaft, which is mounted so as to rotate around the rotation axis and supports the throttle shutter; an electric actuator, which is provided with a second shaft and is designed to rotate the first shaft around the rotation axis; and a tank, which is “U”-shaped, embraces a part of an external surface of the electric actuator, has an inlet pipe configured to allow a flow of a cooling liquid directed into the tank, and has an outlet pipe configured to allow a flow of the cooling liquid directed out of the tank.